The OptimalControl.jl package is the root package of the control-toolbox ecosystem. The control-toolbox ecosystem gathers Julia packages for mathematical control and applications. It aims to provide tools to model and solve optimal control problems with ordinary differential equations by direct and indirect methods.
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To install OptimalControl.jl please open Julia's interactive session (known as REPL) and press ] key in the REPL to use the package mode, then add the package:
julia> ]
pkg> add OptimalControlLet us model and solve a simple optimal control problem, then plot the solution:
using OptimalControl
using NLPModelsIpopt
using Plots
ocp = @def begin
t ∈ [0, 1], time
x ∈ R², state
u ∈ R, control
x(0) == [ -1, 0 ]
x(1) == [ 0, 0 ]
ẋ(t) == [ x₂(t), u(t) ]
0.5∫( u(t)^2 ) → min
end
sol = solve(ocp)
plot(sol)For more details about this problem, please check the basic example tutorial. For a comprehensive introduction to the syntax used above to describe the optimal control problem, check the abstract syntax tutorial.
If you use OptimalControl.jl in your work, please cite us:
Caillau, J.-B., Cots, O., Gergaud, J., Martinon, P., & Sed, S. OptimalControl.jl: a Julia package to model and solve optimal control problems with ODE's [Computer software]. https://doi.org/10.5281/zenodo.13336563
or in BibTeX format:
@software{Caillau_OptimalControl_jl_a_Julia,
author = {Caillau, Jean-Baptiste and Cots, Olivier and Gergaud, Joseph and Martinon, Pierre and Sed, Sophia},
doi = {10.5281/zenodo.13336563},
license = {["MIT"]},
title = {{OptimalControl.jl: a Julia package to model and solve optimal control problems with ODE's}},
url = {https://control-toolbox.org/OptimalControl.jl}
}If you think you found a bug or if you have a feature request / suggestion, feel free to open an issue. Before opening a pull request, please start an issue or a discussion on the topic.
Contributions are welcomed, check out how to contribute to a Github project. If it is your first contribution, you can also check this first contribution tutorial. You can find first good issues (if any 🙂) here. You may find other packages to contribute to at the control-toolbox organization.
If you want to ask a question, feel free to start a discussion here. This forum is for general discussion about this repository and the control-toolbox organization.
Note
If you want to add an application or a package to the control-toolbox ecosystem, please follow this set up tutorial.
We acknowledge support of colleagues from ADNLPModels @Julia Smooth Optimizers and MadNLP.